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#!/usr/bin/env sh
help() {
cat >&2 <<EOF
$0: BSP Generator for the SiFive Freedom E SDK
--help Prints this help text.
--target-name Specify bsp target name.
--target-type Specify bsp target type [rtl | arty].
--sdk-path=* The path to the freedom-e-sdk clone directory, public or private.
--target-dts=*.dts The path to the target device tree that will be used.
EOF
}
unset DTSFILE
unset CUSTOM_PATH
unset CUSTOM_NAME
unset NO_FIXUP
NO_FIXUP=0
while [ "$1" != "" ]
do
case "$1" in
--help) help "$0"; exit 0;;
--no-fixup) NO_FIXUP=1; shift 1;;
--target-name) CUSTOM_NAME="$2"; shift 2;;
--target-type) CUSTOM_TYPE="$2"; shift 2;;
--sdk-path=*) CUSTOM_PATH="$(echo "$1" | cut -d= -f2-)"; shift 1;;
--sdk-path) CUSTOM_PATH="$2"; shift 2;;
--target-dts=*) DTSFILE="$(echo "$1" | cut -d= -f2-)"; shift 1;;
--target-dts) DTSFILE="$2"; shift 2;;
*) echo "$0: Unknown argument $1" >&2; exit 1;;
esac
done
if [ "$CUSTOM_PATH" == "" -a "$CUSTOM_NAME" == "" -a "$DTSFILE" == "" ]
then
TARGET_LIST="$(ls -d coreip*) "
TARGET_LIST+="sifive-hifive1 sifive-hifive1-revb freedom-e310-arty "
else
if [ ! -f "$DTSFILE" -a "$DTSFILE" != "*.dts" ]
then
echo "[ERROR] $0: $DTSFILE must be a dts file" >&2
help "$0"
exit 1
fi
if [ "$CUSTOM_NAME" == "" ]
then
echo "[ERROR] $0: --target-name is mandatory" >&2
help "$0"
exit 1
fi
if [ "$CUSTOM_TYPE" == "" ]
then
echo "[INFO] $0: --target-type is not given! Default to rtl" >&2
TARGET_TYPE="rtl"
else
TARGET_TYPE="$CUSTOM_TYPE"
fi
CUSTOM_TARGET="$CUSTOM_PATH/bsp/$CUSTOM_NAME"
if [ ! -d "$CUSTOM_TARGET" ]
then
echo "[INFO] $0: "$CUSTOM_TARGET" not found! Creating one" >&2
mkdir -p $CUSTOM_TARGET
fi
cp $DTSFILE $CUSTOM_TARGET
TARGET_LIST="$CUSTOM_TARGET "
fi
DTC=dtc
MEE_HEADER_GENERATOR=freedom-metal_header-generator
LDSCRIPT_GENERATOR=freedom-ldscript-generator
MAKEATTRIB_GENERATOR=freedom-makeattributes-generator
DTS_FILENAME=design.dts
DTB_FILENAME=temp.dtb
HEADER_FILENAME=metal.h
LDS_DEFAULT_FILENAME=metal.default.lds
LDS_RAMRODATA_FILENAME=metal.ramrodata.lds
LDS_SCRATCHPAD_FILENAME=metal.scratchpad.lds
SETTINGS_FILENAME=settings.mk
update_target() {
TARGET=$1
echo "Updating target $TARGET"
if [ $NO_FIXUP != 1 ]; then
../scripts/fixup-dts --dts $TARGET/$DTS_FILENAME || die "Failed to check $TARGET/$DTS_FILENAME for missing elements"
fi
# Compile temporary .dtb
$DTC -I dts -O dtb -o $TARGET/$DTB_FILENAME $TARGET/$DTS_FILENAME || die "Failed to compile $TARGET/$DTS_FILENAME to dtb"
# Produce parameterized files
$MEE_HEADER_GENERATOR -d $TARGET/$DTB_FILENAME -o $TARGET/$HEADER_FILENAME || die "Failed to produce $TARGET/$HEADER_FILENAME"
$LDSCRIPT_GENERATOR -d $TARGET/$DTB_FILENAME -l $TARGET/$LDS_DEFAULT_FILENAME || die "Failed to produce $TARGET/$LDS_DEFAULT_FILENAME"
$LDSCRIPT_GENERATOR -d $TARGET/$DTB_FILENAME -l $TARGET/$LDS_RAMRODATA_FILENAME --ramrodata || die "Failed to produce $TARGET/$LDS_RAMRODATA_FILENAME"
$LDSCRIPT_GENERATOR -d $TARGET/$DTB_FILENAME -l $TARGET/$LDS_SCRATCHPAD_FILENAME --scratchpad || die "Failed to produce $TARGET/$LDS_SCRATCHPAD_FILENAME"
$MAKEATTRIB_GENERATOR -d $TARGET/$DTB_FILENAME -b $TARGET_TYPE -o $TARGET/$SETTINGS_FILENAME || die "Failed to produce $TARGET/$SETTINGS_FILENAME"
# Remove temporary .dtb
rm $TARGET/$DTB_FILENAME
echo ""
}
for TARGET in $TARGET_LIST
do
update_target $TARGET
done
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